Took a tour with bikeandadventure.com through the Sacred Valley with my girlfriend, including a rafting trip down the Urubamba River. Fantastic experience. Private tour that was suprisingly affordable, with outgoing, knowledgable English speaking guides. Guide inflated the raft higher up in the river to minimize chance of getting sick and floated through Incan ruins for 1.5 hours. Highly recommend Enrique...
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